Nanoid Generator Online — URL-Safe Compact IDs
Generate Nanoid-style IDs with CSPRNG in your browser. Adjust size (2–64) with quick presets, pick an alphabet (URL-safe, alphanumeric, numeric, no-look-alike, or custom), and generate up to 50 IDs at once.
How generation works
Set size with the slider (2–64) or quick presets, pick an alphabet (including custom or no-look-alike), choose count up to 50, then Generate. Rejection sampling + crypto.getRandomValues — never Math.random. Copy per line, copy all, or download .txt.
Options
Examples
Default URL-safe
Settings
Output
Short numeric
Settings
Output
Related utilities
Need UUIDs? See the UUID generator. For time-sortable IDs, the ULID generator.
Nanoid generator FAQ
Compact IDs
Can I type a custom size?
Yes — use the slider or number field for any length from 2 to 64. Preset chips are shortcuts only.
Custom alphabet?
Yes — select Custom and paste your charset (max 256 characters, at least 2 unique symbols). Emoji and other Unicode code points are supported; grapheme clusters spanning multiple code points are not segmented.
Is data uploaded?
No — local generation only.
Why not the npm nanoid package?
A small implementation aligned with the password-generator CSPRNG pattern, with no npm dependency.
Developer utilities
Timestamps, UUID, ULID, Nanoid, cron, passwords, regex, slugify, number bases, case, text diff, and chmod — all client-side.
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